Shape Pleated Duette Shades. Custom Shaped Blinds Created For YouDo you have an oddly shaped window? Think it could be hard to get the right blinds for it? Think again. No matter what the shape or size of your windows, Duette energy saving blinds can be custom-made to suit you.This means you can take full advantage of the amazing benefits Duette window blinds have to offer, on any and every window in your home.With Duette energy saving blinds you can also enjoy cheaper energy bills and a warmer home, a stylish and sophisticated finish, ultimate privacy and easy-to-use technology.